The Diploid Number of Chromosomes Found in a Eukaryotic Cell

The diploid number of chromosomes found in a eukaryotic cell

A) indicates the phylogenetic position of the organism.
B) is constant during the life cycle.
C) is haploid among asexually reproducers and diploid if they reproduce sexually.
D) is cut in half by meiosis and is restored by fertilization.
E) is dependent on the age of the tissue.